<template>
  <!-- template中必须有且只有一个根元素 -->
  <div class="login-container">
    <div class="left">
      <div class="title-box">
        <img src="@/assets/img/login_icon.png" alt="" />
        <span class="title">黑马面面</span>
        <span class="line"></span>
        <span class="sub-title">用户登录</span>
      </div>

      <!-- model:绑定的模型值,该模型中的属性值,要跟我们的业务结合起来
           rules:校验规则
           ref: 将来拿到表单做校验
      
       -->
      <el-form
        :model="ruleForm"
        :rules="rules"
        ref="ruleForm"
        class="login-form"
      >
        <!-- prop:将来做校验和清空的时候,用得着,并且它的名字要跟model和rule中的属性名一致 -->
        <el-form-item prop="phone">
          <el-input
            v-model="ruleForm.phone"
            placeholder="请输入手机号"
            prefix-icon="el-icon-user"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="ruleForm.password"
            placeholder="请输入密码"
            prefix-icon="el-icon-lock"
            show-password
          ></el-input>
        </el-form-item>
        <el-row>
          <el-col :span="16">
            <el-form-item prop="code">
              <el-input
                v-model="ruleForm.code"
                placeholder="请输入验证码"
                prefix-icon="el-icon-key"
              ></el-input> </el-form-item
          ></el-col>
          <el-col :span="7" style="margin-left: 10px">
            <img @click="changeCodeURL" style="width:100%;heigth:40px" :src="loginCodeURL" alt="">
          </el-col>
        </el-row>
        <el-form-item prop="checked">
          <el-checkbox v-model="ruleForm.checked"></el-checkbox>&nbsp;
          我已阅读并同意<el-link
            type="primary"
            target="_blank"
            href="http://www.itcast.cn"
            >用户协议</el-link
          >和<el-link type="primary" target="_blank" href="http://www.itcast.cn"
            >隐私条款</el-link
          >
        </el-form-item>
        <!-- 如果我们当前项不需要做校验和重置操作,就不需要写prop -->
        <el-form-item>
          <el-button type="primary" @click="login"  style="width: 100%">登 录</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="register" style="width: 100%">注 册</el-button>
        </el-form-item>
      </el-form>
    </div>
    <div class="right">
      <img src="@/assets/img/login_bg.png" alt="" />
    </div>
    <!-- 注册子组件 -->
    <register ref = "registerRef" />
  </div>
</template>

<script>
// {}按需导入
import {setToken} from '@/utils/token';
import Register from './Register';
export default {
  name: "Login",
  components:{
    Register
  },
  data() {
    return {
      loginCodeURL:`${process.env.VUE_APP_BASEURL}/captcha?type=login`,
      ruleForm: { //这个是跟 
        phone: "18511111111", //手机号
        password: "12345678", //密码
        code: "", //验证码
        checked: false, //是否勾选,不要写成字符串
      },
      rules: {
        phone: [
          {
            // validator  校验器
            validator: (rule, value, callback) => {
              //rule 检验对象, value 输入的值, callback 校验成还是失败的[一定要调用]
              if (!value) {
                return callback(new Error("手机号不能为空"));
              }
              //手机的正则校验
              const reg = /^1[3-9][0-9]{9}$/;
              if (!reg.test(value)) {
                return callback(new Error("手机号不合法"));
              }
              //校验成功不需要加任何参数,但是一定要调用
              callback();
            },
            trigger: "blur",
          },
        ],
        password: [{ required: true, message: "请输入密码", trigger: "blur" },
        { min: 6, max: 16, message: '长度在 6 到 16 个字符', trigger: 'blur' }],
        code: [{ required: true, message: "验证码不能为空", trigger: "blur" },],
        checked: [
          {
            validator: (rule, value, callback) => {
              value ? callback() : callback(new Error('必须勾选用户协议'))
            },
            trigger: 'change' // 触发时机
          }
        ]
      },
    };
  },
  methods:{
    changeCodeURL(){
      // 网络请求的缓存: get + 地址不变
      this.loginCodeURL = `${process.env.VUE_APP_BASEURL}/captcha?type=login&t=${new Date() - 0}`
    },
    //登录
    // login(){
    //   // validate 校验方法
    //   this.$refs.ruleForm.validate(async valid=>{
    //     if (!valid) return

    //     //使用axios发送请求
    //     // this.$axios.post('/login',this.ruleForm).then(res=>{
    //     //   console.log(res);
    //     // })

    //   const res = await this.$axios.post('/login',this.ruleForm);
    //   console.log(res);
    //   if (res.data.code === 200){
        
    //     //保存token
    //     localStorage.setItem('heimamm62_token',res.data.data.token)

    //     //跳转到layout页面
    //     this.$router.push('/layout')
    //   }else{
    //     this.$message.error('错了哦,这是一条错误信息');

    //     this.changeCodeURL()
    //   }
    //   })

    // }
     // 登录
    login () {
      this.$refs.ruleForm.validate(async valid => {
        if (!valid) return

        // 使用axios发请求
        /**
        this.$axios.post('/login', this.ruleForm).then(res => {
          console.log(res)

           if (res.data.code === 200) {
            this.$message.success('登录成功~')

            // 保存token    
            localStorage.setItem('heimamm62_token', res.data.data.token)

            // 跳转到layout页面
            this.$router.push('/layout')
          } else {
            this.$message.error(res.data.message)

            // 重新获取验证码
            this.changeCodeURL()
          }
        })
        */
        const res = await this.$axios.post('/login', this.ruleForm)

        if (res.code === 200) {
          this.$message.success('登录成功~')

          // 保存token
          // localStorage.setItem('heimamm62_token', res.data.data.token)
          setToken(res.data.token)

          // 跳转到layout页面
          this.$router.push('/layout')
        } else {
          this.$message.error(res.message)

          // 重新获取验证码
          this.changeCodeURL()
        }
      })
    },
    //注册
    register(){
      this.$refs.registerRef.dialogVisible = true
    }
  }
};
</script>
<style lang="less">
//在当前页面中使用less
.login-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-around;
  background: linear-gradient(225deg, #1493fa, #01c6fa);
  .left {
    width: 478px;
    height: 550px;
    background: #f5f5f5;
    padding: 48px;
    .title-box {
      display: flex;
      align-items: center;
      img {
        width: 22px;
        height: 17px;
        margin-right: 16px;
      }
      .title {
        font-size: 24px;
        margin-right: 14px;
      }
      .line {
        width: 1px;
        background-color: #c7c7c7;
        height: 27px;
        margin-right: 12px;
      }
      .sub-title {
        font-size: 22px;
      }
    }
    .login-form {
      margin-top: 29px;
    }
  }
}
</style>
